{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:57.322411", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2016-Mar-11_to_2016-Mar-13_24.5_25.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2016030001460}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "March 11 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 13 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 75927.04606334053}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 25.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, 25.0], [21.47, 25.53], [21.82, 25.68], [21.85, 25.75], [21.75, 26.0], [21.97, 26.53], [22.5, 26.75], [23.03, 26.53], [23.18, 26.18], [23.25, 26.15], [23.5, 26.25], [24.0, 26.04], [24.5, 26.25], [25.03, 26.03], [25.25, 25.5], [25.15, 25.25], [25.25, 25.0], [25.15, 24.75], [25.25, 24.5], [25.15, 24.25], [25.25, 24.0], [25.03, 23.47], [24.5, 23.25], [24.25, 23.35], [24.18, 23.32], [24.03, 22.97], [23.5, 22.75], [23.25, 22.85], [23.0, 22.75], [22.75, 22.85], [22.68, 22.82], [22.53, 22.47], [22.0, 22.25], [21.47, 22.47], [21.25, 23.0], [21.38, 23.3], [20.97, 23.47], [20.75, 24.0], [20.97, 24.53], [21.32, 24.68], [21.35, 24.75], [21.25, 25.0]]]]}, "2016-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, 25.0], [21.47, 25.53], [21.82, 25.68], [21.85, 25.75], [21.75, 26.0], [21.97, 26.53], [22.5, 26.75], [23.03, 26.53], [23.18, 26.18], [23.25, 26.15], [23.5, 26.25], [24.0, 26.04], [24.5, 26.25], [25.03, 26.03], [25.25, 25.5], [25.15, 25.25], [25.25, 25.0], [25.15, 24.75], [25.25, 24.5], [25.15, 24.25], [25.25, 24.0], [25.03, 23.47], [24.5, 23.25], [24.25, 23.35], [24.18, 23.32], [24.03, 22.97], [23.5, 22.75], [23.25, 22.85], [23.0, 22.75], [22.75, 22.85], [22.68, 22.82], [22.53, 22.47], [22.0, 22.25], [21.47, 22.47], [21.25, 23.0], [21.38, 23.3], [20.97, 23.47], [20.75, 24.0], [20.97, 24.53], [21.32, 24.68], [21.35, 24.75], [21.25, 25.0]]]]}, "2016-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, 25.0], [21.47, 25.53], [21.82, 25.68], [21.85, 25.75], [21.75, 26.0], [21.97, 26.53], [22.5, 26.75], [23.03, 26.53], [23.18, 26.18], [23.25, 26.15], [23.5, 26.25], [24.0, 26.04], [24.5, 26.25], [25.03, 26.03], [25.25, 25.5], [25.15, 25.25], [25.25, 25.0], [25.15, 24.75], [25.25, 24.5], [25.15, 24.25], [25.25, 24.0], [25.03, 23.47], [24.5, 23.25], [24.25, 23.35], [24.18, 23.32], [24.03, 22.97], [23.5, 22.75], [23.25, 22.85], [23.0, 22.75], [22.75, 22.85], [22.68, 22.82], [22.53, 22.47], [22.0, 22.25], [21.47, 22.47], [21.25, 23.0], [21.38, 23.3], [20.97, 23.47], [20.75, 24.0], [20.97, 24.53], [21.32, 24.68], [21.35, 24.75], [21.25, 25.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.71523959647169}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.421106486958131}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.020583129540398, 25.494104946911364, 24.970475103609488]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.623364888624167, 26.116011750091957, 26.015351207231163]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.290472742773175, 6.756926447981483, 6.215920270119737]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.323568845124669, 7.71523959647169, 7.019367991500019]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.594117544907888, 1.7473869033990712, 1.6549806232453963]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8452961119072004, 1.9680938274443942, 1.8641931215172414]}}